<template>
  <div>
     <!-- 面包屑导航 -->
     <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card class="box-card">
        <el-row :gutter="20">
            <el-col :span="8">
                <!-- 搜索框 -->
                <el-input placeholder="请输入内容" 
                v-model="queryInfo.query" 
                clearable
                @clear="getUserList">
                    <el-button slot="append" icon="el-icon-search" @click="getUserList()"></el-button>
                </el-input>
            </el-col>
            <el-col :span="4">
                <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
            </el-col>
        </el-row>
        <!-- 用户列表 -->
        <el-table :data="userList" border stripe>
            <!-- 索引列 -->
            <el-table-column type="index" label="#"></el-table-column>
            <el-table-column label="姓名" prop="username"></el-table-column>
            <el-table-column label="邮箱" prop="email"></el-table-column>
            <el-table-column label="电话" prop="mobile"></el-table-column>
            <el-table-column label="角色" prop="role_name"></el-table-column>
            <el-table-column label="状态">
                <!-- 使用作用域插槽获取此行数据 -->
                <template slot-scope="scope">
                    <!-- {{scope.row.mg_state}} -->
                    <el-switch
                    v-model="scope.row.mg_state"
                    @change="userStateChanged(scope.row)"
                    >
                    </el-switch>
                </template>
            </el-table-column>
            <el-table-column label="操作" width="180px">
                <template slot-scope="scope">
                    <!-- {{scope.row}} -->
                    <el-button type="primary" icon="el-icon-edit" size="mini" @click="editDialog(scope.row.id)"></el-button>
                    <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUser(scope.row.id)"></el-button>
                    <!-- enterable	鼠标是否可进入到 tooltip 中 -->
                    <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
                        <el-button type="warning" icon="el-icon-setting" size="mini"
                        @click="setRole(scope.row)"></el-button>
                    </el-tooltip>
                </template>
            </el-table-column>
        </el-table>
        <!-- 分页 -->
        <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
        </el-pagination>
    </el-card>
    <!-- 添加用户的对话框 -->
    <el-dialog
    title="添加用户"
    :visible.sync="addDialogVisible"
    width="50%"
    @close="addDialogClosed">
    <!-- 主体内容 -->
    <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
    </el-form>
    <!-- 下部按钮 -->
    <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
    </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog
    title="修改用户"
    :visible.sync="editDialogVisible"
    width="50%"
    @close="editDialogClosed"
    >
    <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
            <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
    </el-form>
    <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
    </span>
    </el-dialog>
    <!-- 分配角色对话框 -->
    <el-dialog
    title="分配角色"
    :visible.sync="setRolesDialogVisible"
    width="50%"
    @close="setRolesDialogClose()"
    >
    <div>
        <p>当前角色:{{ userInfo.username }}</p>
        <p>当前角色:{{ userInfo.role_name }}</p>
        <p>分配新角色
            <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
            v-for="item in rolesList"
            :key="item.id"
            :label="item.roleName"
            :value="item.id">
            </el-option>
        </el-select>
        </p>
    </div>
    <span slot="footer" class="dialog-footer">
        <el-button @click="setRolesDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo()">确 定</el-button>
    </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
    name: 'UserPage',
    data() {
        // 自定义校验规则
        var checkEmail = (rule,value,callback) => {
            // 正则
            const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
            // 符合规则
            if(regEmail.test(value)){
                return callback()
            }
            callback(new Error('请输入合法的邮箱'))
        }
        var checkMobile = (rule,value,callback) => {
            // 正则
            const regMobile = /^1[345789]\d{9}$/
            // /^(0|86|17951)?13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
            // 符合规则
            if(regMobile.test(value)){
                return callback()
            }
            callback(new Error('请输入合法的手机号'))
        }
        return {
            // 获取用户列表的参数对象
            queryInfo: {
                query: '',
                // 当前页数
                pagenum: 1,
                // 当前每页显示的数据条数
                pagesize: 2
            },
            userList: [],
            total: 0,
            // 添加用户框的显示
            addDialogVisible: false,
            // 添加用户的表单数据
            addForm: {
                username: '',
                password: '',
                email: '',
                mobile: ''
            },
            // 添加用户的表单验证规则
            addFormRules: {
                username: [{ required: true, message: '请输入用户名', trigger: 'blur' },
                { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }],
                password: [{ required: true, message: '请输入密码', trigger: 'blur' },
                { min: 6, max: 16, message: '长度在 6 到 16 个字符', trigger: 'blur' }],
                email: [{ required: true, message: '请输入邮箱', trigger: 'blur' },
                {validator: checkEmail, trigger:'blur'}],
                mobile: [{ required: true, message: '请输入手机号码', trigger: 'blur' },
                {validator: checkMobile, trigger:'blur'}]
            },
            editDialogVisible: false,
            // 查询到的用户对象
            editForm: {},
            editFormRules: {
                email: [{ required: true, message: '请输入邮箱', trigger: 'blur' },
                {validator: checkEmail, trigger:'blur'}],
                mobile: [{ required: true, message: '请输入手机号码', trigger: 'blur' },
                {validator: checkMobile, trigger:'blur'}]
            },
            setRolesDialogVisible: false,
            // 被分配角色的用户信息对象
            userInfo: {},
            // 用户的所有角色列表
            rolesList: [],
            // 所选中要添加的角色id
            selectedRoleId: ''
        }
    },
    created(){
        this.getUserList()
    },
    methods: {
        async getUserList(){
            const {data:res} = await this.$http.get('users',{params:this.queryInfo})
            if(res.meta.status!==200) return this.$message.error('数据获取失败')
            this.userList = res.data.users
            this.total = res.data.total
            console.log(res)
        },
        // 改变页码总数时
        handleSizeChange(newSize){
            // console.log(newSize)
            this.queryInfo.pagesize = newSize
            this.getUserList()
        },
        // 改变页码
        handleCurrentChange(newNum){
            this.queryInfo.pagenum = newNum
            this.getUserList()
        },
        // 监听switch开关改变
        async userStateChanged(userInfo){
            // console.log(userInfo)
            const {data:res} = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
            console.log(res)
            if(res.meta.status!==200){
                userInfo.mg_state = !userInfo.mg_state
                return this.$message.error('状态更新失败')
            }
            this.$message.success(`${res.meta.msg}`)
        },
        // 关闭dialog后
        addDialogClosed(){
            // 获取dialog下的表单，进行重置
            this.$refs.addFormRef.resetFields()
        },
        // 确定按钮
        addUser(){
            console.log("1245648");
            // 获取校验是否成功
            this.$refs.addFormRef.validate(async valid=>{
                // console.log('valid',valid)
                if(!valid) return
                // 发起添加用户的网络请求
                const {data:res} = await this.$http.post('users',this.addForm)
                if(res.meta.status!==201) return this.$message.error('添加失败')
                this.$message.success(res.meta.msg)
                // 隐藏对话框
                this.addDialogVisible = false
                // 重新请求最新数据
                this.getUserList()
            })
        },
        async editDialog(id){
            const {data:res} = await this.$http.get('users/'+id)
            if(res.meta.status!==200){
                return this.$message.error('查询错误')
            }
            this.editForm = res.data 
            this.editDialogVisible = true
        },
        // 修改用户的关闭对话框
        editDialogClosed(){
            this.$refs.editFormRef.resetFields()
        },
        // 对修改用户数据的验证
        editUserInfo(){
            this.$refs.editFormRef.validate(async valid=>{
                // console.log('valid',valid)
                console.log('edit',this.editForm)
                if(!valid) return
                // 发起添加用户的网络请求
                const {data:res} = await this.$http.put('users/'+ this.editForm.id,{
                    email: this.editForm.email,
                    mobile: this.editForm.mobile
                })
                if(res.meta.status!==200) return this.$message.error('修改失败')
                this.$message.success(res.meta.msg)
                // 隐藏对话框
                this.editDialogVisible = false
                // 重新请求最新数据
                this.getUserList()
            })
        },
        // 删除用户
        async removeUser(id){
            // 提示
            const conres = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
                }).catch(err=>err)
            // 确定返回confirm 取消返回cancel
            // console.log(id,conres)
            if(conres!=='confirm'){
                this.$message.info('已取消')
            }else{
                // console.log('已删除')
                const {data:res} = await this.$http.delete('users/'+id)
                if(res.meta.status!==200){
                    return this.$message.error('删除失败')
                }else{
                    this.$message.success('删除成功')
                    // 刷新数据
                    this.getUserList()
                }
            }
        },
        // 分配角色按钮
        async setRole(userInfo){
            this.setRolesDialogVisible = true
            this.userInfo = userInfo
            // 获取用户所有角色列表
            const{data:res} = await this.$http.get('roles')
            if(res.meta.status !== 200) return this.$message.error('获取角色失败')
            this.rolesList = res.data
        },
        // 确定分配角色
        async saveRoleInfo(){
            if(!this.selectedRoleId) return this.$message.error('请选择角色')
            const{data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{rid: this.selectedRoleId})
            if(res.meta.status !== 200) return this.$message.error('更新角色失败')
            this.$message.success('更新角色成功')
            this.getUserList()
            this.setRolesDialogVisible = false
        },
        // 分配角色对话框关闭
        setRolesDialogClose(){
            // 重置
            this.selectedRoleId = ''
            this.userInfo = {}
        }
    }
}
</script>

<style lang="less" scoped>

</style>